Background
She was born in Haarlem, Netherlands, and took music lessons as a child.
She was born in Haarlem, Netherlands, and took music lessons as a child.
She studied viola and violin in Amsterdam and Tilburg, and composition with Robert Heppener.
After completing her studies, Henneman worked as a violist in orchestras, and then co-founded the rock band Football Club Gerania where she began to compose. In 1985 she founded the Ig Henneman Quintet. She also improvises on viola with Henneman Sextet, Duo Baars-Henneman and the Queen Mab Trio.